1 Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana", University of Salerno, Via S. Allende, 84081, Baronissi, Salerno, Italy. mdebernardo@unisa.it.
2 Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana", University of Salerno, Via S. Allende, 84081, Baronissi, Salerno, Italy.